Real age of Leighton Meester in Valentine's Day
In the movie Valentine's Day, Leighton Meester was:
23 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Valentine's Day was released:
January 1, 2010
And the day in which Leighton Meester was born:April 09, 1986
Since movies usually don't take more than one year to be released since the beginning of the filming process, Leighton Meester may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.